The Diagnostic Procedure - Hach 2100P ISO Manual

SECTION 5,

5.2 The Diagnostic Procedure

1. Fill a clean sample cell to the line with clear water, cap the cell and
place it in the cell compartment. Press
reading is finished.
2. Press:
DIAG
DIAG
DIAG
3. To continuously display the lamp-on voltage, press the
The lamp icon will flash. Press the
off (the lamp is not on during this display).
4. Press the
UP
of the key increments the digit in the small numerical display below
the icon and the result of the diagnostic measurement is then
DIAG
displayed. Each press of
made with the lamp off and again with the lamp on, the
measurement with the lamp off is displayed when the diagnostic is
entered. To see the second measurement with the lamp on, press the
key (only works with diagnostic codes 1, 7, 8, & 9). The
RIGHT
lamp icon will flash and the lamp-on measurement will be
displayed in volts. Press the
Note: DIAG 8 will display "----" for the lamp-on voltage if a of >10 FNU is placed in
the cell compartment.
continued
The icon will turn on and
DIAG
below the icon. The instrument will measure the
battery voltage with the lamp off and display the
result in volts (V). Then the lamp icon will turn on
and the instrument will measure the voltage with
the lamp on. The value is briefly displayed before
defaulting to the lamp-off reading. To repeat the
measurement, press
key to scroll through the other diagnostics. Each press
READ
READ
.
READ
key to turn the lamp icon
RIGHT
updates the value. For measurements
key to turn the lamp icon off.
RIGHT
56
and wait until the
1
will be displayed
RIGHT
key.